wasm: implemente WasmFrame::cast, fix inheritance

src/frames-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_FRAMES_INL_H_
 #define V8_FRAMES_INL_H_
 
 #include "src/frames.h"
 #include "src/isolate.h"
 #include "src/objects-inl.h"
@@ skipping 229 matching lines @@
 
 
 inline ArgumentsAdaptorFrame::ArgumentsAdaptorFrame(
     StackFrameIteratorBase* iterator) : JavaScriptFrame(iterator) {
 }
 
 inline WasmFrame::WasmFrame(StackFrameIteratorBase* iterator)
     : StandardFrame(iterator) {}
 
 inline WasmToJsFrame::WasmToJsFrame(StackFrameIteratorBase* iterator)
-    : WasmFrame(iterator) {}
+    : StubFrame(iterator) {}
 
 inline JsToWasmFrame::JsToWasmFrame(StackFrameIteratorBase* iterator)
-    : WasmFrame(iterator) {}
+    : StubFrame(iterator) {}
 
 inline InternalFrame::InternalFrame(StackFrameIteratorBase* iterator)
     : StandardFrame(iterator) {
 }
 
 
 inline StubFailureTrampolineFrame::StubFailureTrampolineFrame(
     StackFrameIteratorBase* iterator) : StandardFrame(iterator) {
 }
 
@@ skipping 29 matching lines @@
   DCHECK(!done());
   DCHECK(frame_->is_java_script() || frame_->is_exit());
   return frame_;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_FRAMES_INL_H_